X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fgetcwd.m4;h=ea10fb66a9527b2b8c532bfe941655b48e32d002;hb=82afcdd;hp=4b8c4c6ce1001d4b3c9139842728daca4da7ead0;hpb=e2b8816f0465fa211eb5b49ecbeb78e9c3cc46b8;p=gnulib.git

diff --git a/m4/getcwd.m4 b/m4/getcwd.m4
index 4b8c4c6ce..ea10fb66a 100644
--- a/m4/getcwd.m4
+++ b/m4/getcwd.m4
@@ -1,39 +1,45 @@
 # getcwd.m4 - check for working getcwd that is compatible with glibc
 
-# Copyright (C) 2001, 2003, 2004, 2005, 2006, 2007, 2009 Free Software
+# Copyright (C) 2001, 2003, 2004, 2005, 2006, 2007, 2009, 2010 Free Software
 # Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
 # Written by Paul Eggert.
-# serial 2
+# serial 3
 
 AC_DEFUN([gl_FUNC_GETCWD_NULL],
   [
    AC_CACHE_CHECK([whether getcwd (NULL, 0) allocates memory for result],
      [gl_cv_func_getcwd_null],
      [AC_RUN_IFELSE([AC_LANG_PROGRAM([[
-#	 include <unistd.h>
-#	 ifndef getcwd
-	 char *getcwd ();
-#	 endif
+#        include <unistd.h>
+#        ifndef getcwd
+         char *getcwd ();
+#        endif
 ]], [[
 #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
 /* mingw cwd does not start with '/', but getcwd does allocate.  */
 #else
-	   if (chdir ("/") != 0)
-	     return 1;
-	   else
-	     {
-	       char *f = getcwd (NULL, 0);
-	       return ! (f && f[0] == '/' && !f[1]);
-	     }
+           if (chdir ("/") != 0)
+             return 1;
+           else
+             {
+               char *f = getcwd (NULL, 0);
+               if (! f)
+                 return 2;
+               if (f[0] != '/')
+                 return 3;
+               if (f[1] != '\0')
+                 return 4;
+               return 0;
+             }
 #endif
-	 ]])],
-	[gl_cv_func_getcwd_null=yes],
-	[gl_cv_func_getcwd_null=no],
-	[[
+         ]])],
+        [gl_cv_func_getcwd_null=yes],
+        [gl_cv_func_getcwd_null=no],
+        [[
        case "$host_os" in
                                # Guess yes on glibc systems.
          *-gnu*)               gl_cv_func_getcwd_null="guessing yes";;
@@ -44,7 +50,7 @@ AC_DEFUN([gl_FUNC_GETCWD_NULL],
                                # If we don't know, assume the worst.
          *)                    gl_cv_func_getcwd_null="guessing no";;
        esac
-	]])])
+        ]])])
 ])
 
 AC_DEFUN([gl_FUNC_GETCWD],